Interfaces and output formats 

• RTC-Tools comes as Python package 

• Internal models can be programmed in Modelica  

•    FEWS Public Interface (Delft-FEWS) 

• Input and output 

  • XML (FEWS PI) 

  • Comma separated values (CSV) 

Internal water system model (Modelica) 

• Reservoir equation 

• Flow routing 

  • Time lag 

  • Kinematic wave approximation 

  • Diffusive wave approximation

     

  • Inertial model 

  • Saint-Venant equations 

• Hydropower equation 

• Full flexibility: any other equations can be added using the Modelica language 

Optimization methods 

• Linear optimization problems 

  • Linear programming 

  • Mixed integer linear programming 

• Nonlinear optimization problems 

  • Piecewise-linear optimization 

  • Convex optimization with interial point optimizer 

  • Homotopy method

Model feedback control in simulation mode  

• Python library of control methods for reservoir operations 

• Modelica library for different modelling approaches for water flow 

• Full flexibility  

  • add individual control rules with Python 

  • add additional routing methods with Modelica 

Address forecast uncertainty by making ensembles operational 

• Ensemble mode: find a control scheme that fits to all ensemble members  

• Tree-based optimization: group similar ensembles and identify critical decision points